<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
 <html xmlns="http://www.w3.org/1999/xhtml">
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <title>写给新手：js表单操作（四） 简单计算器（二）</title>
 <style type="text/css">
 body {
 font-size:12px;
 font-family:Arial, Georgia, "Times New Roman", Times, serif;
 color:#555;
 text-align:center;
 background-color:#e2e2e2;
 }
 h6{
 margin:0;
 font-size:12px;
 }
 #calculator {
 width:240px;
 height:auto;
 overflow:hidden;
 margin:10px auto;
 border:#fff 1px solid;
 padding-bottom:10px;
 background-color:#f2f2f2;
 }
 #calculator div {
 clear:both;
 }
 #calculator ul{
 padding:0;
 margin:5px 14px;
 border:#fff 1px solid;
 height:auto;
 overflow:hidden
 }
 #calculator li{
 list-style:none;
 float:left;
 width:32px;
 height:32px;
 margin:5px;
 display:inline;
 line-height:32px;
 font-size:14px;
 background-color:#eaeaea;
 }
 #calculator li.tool{
 background-color:#e2e2e2;
 }
 #calculator li:hover{
 background-color:#f9f9f9;
 cursor:pointer;
 }
 #calculator li:active{
 background-color:#fc0;
 cursor:pointer;
 }
 #calculator li.tool:active{
 background-color:#d8e8ff;
 cursor:pointer;
 }
 #calcu-head {
 text-align:left;
 padding:10px 15px 5px;
 }
 span.imyeah {
 float:right;
 color:#ccc;
 }
 span.imyeah a{
 color:#ccc;
 }
 .screen{
 width:200px;
 height:24px;
 line-height:24px;
 padding:4px;
 border:#e6e6e6 1px solid;
 border-bottom:#f2f2f2 1px solid;
 border-right:#f2f2f2 1px solid;
 margin:10px auto;
 direction:ltr;
 text-align:right;
 font-size:16px;
 color:#999;
 }
 #calcu-foot{
 text-align:left;
 padding:10px 15px 5px;
 height:auto;
 overflow:hidden;
 }
 span#note{
 float:left;
 width:210px;
 height:auto;
 overflow:hidden;
 color:red;
 }
 span.welcome{
 clear:both;
 color:#999;
 }
 span.welcome a{
 float:right;
 color:#999;
 }
 </style>
 <script language="javascript">
 //此处插入上面的js代码
</script>
 </head>
 <body>
 <div id="calculator">
 <div id="calcu-head"><span class="imyeah">© <a href="http://www.cnblogs.com/imyeah/" target="_blank">I'm Yeah!</a></span><h6>简单的计算器</h6></div>
 <form name="calculator" action="" method="get">
 <div id="calcu-screen">
 <!--配置显示窗口，使用onfocus="this.blur();"避免键盘输入-->
 <input type="text" name="numScreen" class="screen" value="0" onfocus="this.blur();" />
 </div>
 <div id="calcu-btn">
 <ul> <!--配置按钮-->
 <li onclick="command(7)">7</li>
 <li onclick="command(8)">8</li>
 <li onclick="command(9)">9</li>
 <li class="tool" onclick="del()">←</li>
 <li class="tool" onclick="clearscreen()">C</li>
 <li onclick="command(4)">4</li>
 <li onclick="command(5)">5</li>
 <li onclick="command(6)">6</li>
 <li class="tool" onclick="times()">×</li>
 <li class="tool" onclick="divide()">÷</li>
 <li onclick="command(1)">1</li>
 <li onclick="command(2)">2</li>
 <li onclick="command(3)">3</li>
 <li class="tool" onclick="plus()">+</li>
 <li class="tool" onclick="minus()">-</li>
 <li onclick="command(0)">0</li>
 <li onclick="dzero()">00</li>
 <li onclick="dot()">.</li>
 <li class="tool" onclick="persent()">%</li>
 <li class="tool" onclick="equal()">=</li>
 </ul>
 </div>
 <div id="calcu-foot">
 <span id="note"></span>
 <span class="welcome">欢迎使用javascript计算器！<a href="http://www.cnblogs.com/imyeah" target="_blank">反馈</a></span>
 </div>
 </form>
 </div>
 </body>
 </html>
